Strength of the attenuation between bright, dim, and dark
The allowed radius of bright vision or illumination
The coloration technique applied in the shader
The amount of contrast this light applies to the background texture
The allowed radius of dim vision or illumination
The luminosity applied in the shader
The amount of color saturation this light applies to the background texture
The depth of shadows this light applies to the background texture
Whether or not this source provides a source of vision
An opacity for the emitted light, if any